This study by the modern British sculptor, William Tucker, was done of the bronze sculpture 'Gymnast IV.' The sculpture is currently part of the Tate Galleries Collection in England. It was one of a series of four that the artist completed in 1983.
Here is a link to more information on the sculpture this study is of, provided by the Tate: http://www.tate.org.uk/art/artworks/tucker-guardian-iv-t07982
Deaccession from the High Museum of Art, Atlanta, GA
David McKee Gallery, New York